Process for the production of hollow or solid bodies of concrete, artificial stone or clay, or similar plastic material.



H, WEWERK.

'HON OF HOLLQW O R SOLID BODIES OF CONCRETE, ARTIFICIAL ED MAR. ).7

PROCESS FOR THE PRODUC LASTIG MA. ERIM..

STONE 0R CLAY, OB. SIMILA atene( Non 3,9,

APPLICATION FIL 3 SHEETS-SHEET 2.

A.alan

'view of the device 'for feeding the ,et-inl 'belonging te the n'uzelrine seen -in Fig, 1. Fig. is a longitudinal Section ef n meld for the production ci' vases with nuperpotsed 5 pm'ticmA et differently celered materials, one-half ef the vase being shown in section in Order te shew 'the arrangement ef the dfferent materials. Fig. G is :L View similar te Fig. 5 illustrating; the predruatien of u rese of two dill'erent materials with openings in the wall thereof. Fig. 7 is it longitudinal section of a lneld .for the production of c01- iininsivith ernanienl'ntious in the ferm of hands of materiel colored differently from und superpesed en the shaft. :mtl Fig. .is t1. ltr View illustrctii'ig the production cf n column having e. shaft composed el tWe heliczxlly dispesed adjacent hunde cf meteu rial.

The` machine for carrying out the process is the same, its described in my epigxlicetien Ser. 519,550, ont the cenvcyer which is vmounted en the Slide-rest is replaced by n multiple .eeziveyetg this being easily ne complished. The clnsedenriec tithe, which at its l-tnt end carries the Shui/ing', prees ing and .exuecthin'f' enntrivence und et its .rear end ie seein, t inthe slit-leeren?, u ich eeri'ies; A' et' http fer the imiteriul, centui'n "-ifiiens .,.cnveyer heit I1 I, in iwf; celere, me separate .,.inppein 5 two .iiiiferent materials te eutlets H1 .imilarly separated, Se that tl materiels tire cieiiverifu helettliy inte mold'either wiperiimsed el' si. ic liu side, in

accordance with the r: te of :txiiil enviarme.

"he :slide K muy he difetly f ifen'ient w Sau liable traversin 4G `Wueh its l;

plientien Seru ley L lier l incluis et iutegietliete gearing, i: engagementwith suele traversing thermere, the wiping', y

ing device F, il., spindle M, the termed" "n e5' helifhe :intieheipg A, une. u'h-fu u:

rui'fleuii'ig su .l the .uutei und neeerdn Mittente ment und ure deposited llelicallyin a uniform thickness upon or adjacent, t0 each other.

Not merely two matriels can be simultaneously er alternately introduced into the meld, hut ulse with. suitable inelosing tubes and with the cenvcyer belt led to and fr0 a corresponding number of times, any desired number et materials muy he simultaneously er` :alternately introduced.

Referring te Figs. 2 and whichillustrate the method ef producing according te this invention concrete stair-treads faced on the upper surfeee and front edge with an arti` .iciui stone-material hy the aid of the ma chine shown in Figs. l und 4,'1" is n mold wlieh een he teken te pieces und which is -ALL il Suiluhllywedjustnhle und permits the simultunecue productien ef four trends of similar er diherent proliles. This mold is connected te the iacc-plute B by drum N und 1s reta- 'tehljy mounted in the cellar-hearing E so as tu retnfte horizontally and truly centrally; cumhnied with the wiping und pressing dc eicel?, Li is z. Wedgejshaped lengltluliuully dieplueeehle fermer Q. which participates in the rotation of the meld. The *former Q is i. Lul U .".i .d' 1 cidad .if qui cmi s wuici nu. .1 Jus, ably teeureii together with interehungeeble prehle-determunng strips V, te the wnll of the meld T.

The site tre-.Ulu :ne uiluutell with the treed und prnlile nurtzu'es against the surtime et the :tdjudehle meld, its; shuwn in Fig. 2, und. it in therei'erc pesfle te ud- .heiwretl trein he hitter Ji ui.: the desired y utlpmied rute, luln'znll)Y upon the ii @fw/mfg. '.lhe slewing, pressuigilnd :unwilling eeutaivauu'e FWG ut (uwe ceines une epes'eiei: zn; in the prudiu'tien el other uhjie'le, the relating vf'edefeslmped le nxiull): uuiviulj thriller Q,

nupuring the current fshnpe und e uupei'iluus refe nmieruzl und E the euuiiuiidztiiuu.

i tu ierin gi-mwen' In the fie surtir-tremila, er l" inolose a hollow vthe sumo marmer, hut which has open-work 'orutofl upon irl tho Willi a facility 'equal lo dial. with which sluirlrezids can be produced accortliug lo this process of exceptional homogeneity and quality, au already stated., othor objects can beprocluoocl which when suiablj; Wrangell Illigs. Y and 8 illusrao the prolluolion two columns bydilloreul molliilimilions lli@ present" prooess. A. mold o ing to lha ohjot shown in having been placed in lilo il achille and, uiierllie feeding conrivriuce luis' inserlwl, soi in rotation, oolorel'l material is r'si inlro duced into the mold from lilo hopper J lo" lille bell, l thereby forming oopilul ho :feeding oonlrivazice having; advanced the amount correspouflingg lo lha dopth m? the capitol 2. after suspomling lili@ supply of material from J2 by closing u shuller, dil'- lorently colored material is laken from the hopper J1 and ilelivorefl. By adjusting the leed of malerial so as to oo oorrospomliuggly alternativo and by ou'aploying suitable shuring ooutrivances, a column is foruwfl., this capital and has@ of which are :ililio hul o1? which the Shaft oonsiiols of risible suporwowod layers of material of oltorunlo colors. i ln Fig. 8 asimilar process is illustrated, hul howovnr, by providing 'for u suiluhlo acceleration of the rale :it which lho ma leriol is liud oorrispomliug lo lh@ inorease oi: piloh ol lilo llvlix (lue lo lilac siumlizmeous deposit of material ou lh'o inner surface ol the molfl7 flue slmfi of f1 oolumn is foruivll wouncl holmrlly, :u'vmwlng'lo lilo prim'iple of tho prosout invention, will; two sharply delluwl buty uouliguouly counoolod colored materials.

Figi', 5 shows il ,ruso prmlsurll hy lh@ molhoil iuoorlling to lfiu'. T wiih suporposoll porlioi ol' olhoi colors: lho holloi'u ol' lhi yimg when the loller i (zoinilvlml. mollo oulriflo tho nmohiuo mail iimoi'tml in the vom.

l-'igl'. f5 shows n vaso, which is profluoofi in silles, lli@ opeiiii'lgs rorrospoixding! lo oroscl-ncoo on lho molli.. The mulorioi lrmluoml into tho mold will uniformly lill illu rocosusos millor lille centrifugal uc'liou uml aller lha shaving, prrssizlg uml uioolliingg conlrivunoo has worked thereon," um opino Work object is produced.

Glass and Stone mosaics. omi :also lie pio (luc-od in :i simple und Jilin-ioni i'naurioi', ily ndlioring colored gloss or Stoll@ mosaic xtuhes loA o suillihly priiiloxl or will* corresponding lo tho ywrigxlioi, lo ho formell mill securing -l progu'iuli. posiiiom v ll'iu ing muloriul living thou iorou :llamo Pipes with :in infernal -ilho slrips in suocusuion can emily and accurately be made by this proceso will?. ille aid of ille apparatus shown in Fg. l, the material from the hopper J2 65 coisising of ordinary concrete, beiugj first inlroduced into lhe mold penetrating* the reinforcement, while the acid-proof subsoumm from the hopper J1 merely imparts a aoiiifg which is acted upon by the following shaving, prosing and Smoothing contrivance sinfiilarll lo other pipes. An absolutely homogeneous und perfect product is obl'aine by this molhod.

lll; now boon demonslrated, that accorfliug 'izo this procesa, with o soparahle molo perroiaing tho' simulloiieous imrooluotion of inuzermle oljocls can be produire-:l which have uo hollow interior by suitably grouping hom lo iuolose a hollow space as Si? for example, stoiutreads, slabs, etc., und also ornzmiontal objects can producorl such as columns, vases'pedoslals) etc., in round trifuiggulr7 four or more coroerozl internal and @allemal profiles willi soiled, smooth openwork., interrupfed or closed bodies 'which may be rainforce or unreinforced. i

Having now puriiculorly described and as coilsiinefl the nature of my Suid invention and in what manner the sume is to lle per 99 formell, l {lecloro that what l claim. ist* l. Tho horelo described method of profluciiig from plagtic maleriul objects which home o hollow interior of polygonal form or which when gfroupofl inclose :ihollow space which consists; in fouling' the malerial in independant helical slrips alternately into af rnpiclljv rotsilfiizg mold. :incl then subjecting :is lhey are fed into lli@ mold lo iiierior wiping and' 'pressing acl 104i tions? ,n'horehy to com?, lle strips to be forced uwnrdlv and 'ilioir onor surfaces to be owned off.

53. 'lho livroin eloscrilmd method of prulluciug from plnslio muivriul objects having :i hollow iulorior of polygonal section and oomposml ol u com or inner layer of one malrrlnl :imi :m outor layer ol u different, material which Consuelo feeding: lille two materiiils in irillppondcnl. holival'strips info a 110 rupillly roixliug nzfoll'l Wliomliy one strip will form tiro miler loyer uml tlv@ olhvr strip will 'r'oi'm ilu: inner layer or cori, und subjecting the two slgrsips lo wiping sind pressing actions whereby lo cause the strips to oe forced luiwnrflly will lhoir imwr surfaces to be evoiiefl oli.

Si wl it Vieuiui iii Lower Ausl-rin and Alm ul-lluiiguryy this 29th (luy of Decom- 

